1 /*
2 * (C) Copyright IBM Corporation 2006
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * on the rights to use, copy, modify, merge, publish, distribute, sub
9 * license, and/or sell copies of the Software, and to permit persons to whom
10 * the Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
19 * IBM AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 */
24
25 #ifdef HAVE_CONFIG_H
26 #include "config.h"
27 #endif
28
29 #include <stdlib.h>
30 #include <stdio.h>
31 #include <unistd.h>
32 #include <inttypes.h>
33
34 #ifdef HAVE_ERR_H
35 #include <err.h>
36 #else
37 # include <errno.h>
38 # include <string.h>
39 # define err(exitcode, format, args...) \
40 errx(exitcode, format ": %s", ## args, strerror(errno))
41 # define errx(exitcode, format, args...) \
42 { warnx(format, ## args); exit(exitcode); }
43 # define warn(format, args...) \
44 warnx(format ": %s", ## args, strerror(errno))
45 # define warnx(format, args...) \
46 fprintf(stderr, format "\n", ## args)
47 #endif
48
49 #include "pciaccess.h"
50
51
52 static void
print_pci_bridge(const struct pci_bridge_info * info)53 print_pci_bridge( const struct pci_bridge_info * info )
54 {
55 printf( " Bus: primary=%02"PRIx8", secondary=%02"PRIx8", subordinate=%02"PRIx8", "
56 "sec-latency=%"PRIu8"\n",
57 info->primary_bus,
58 info->secondary_bus,
59 info->subordinate_bus,
60 info->secondary_latency_timer );
61 printf( " I/O behind bridge: %08"PRIx32"-%08"PRIx32"\n",
62 info->io_base,
63 info->io_limit );
64 printf( " Memory behind bridge: %08"PRIx32"-%08"PRIx32"\n",
65 info->mem_base,
66 info->mem_limit );
67 printf( " Prefetchable memory behind bridge: %08"PRIx64"-%08"PRIx64"\n",
68 info->prefetch_mem_base,
69 info->prefetch_mem_limit );
70 }
71
72 static void
print_pci_device(struct pci_device * dev,int verbose)73 print_pci_device( struct pci_device * dev, int verbose )
74 {
75 const char * dev_name;
76 const char * vend_name;
77
78 vend_name = pci_device_get_vendor_name( dev );
79 dev_name = pci_device_get_device_name( dev );
80 if ( dev_name == NULL ) {
81 dev_name = "Device unknown";
82 }
83
84 printf("\npci ");
85 if (dev->domain != 0)
86 printf("domain 0x%04x ", dev->domain);
87 printf("bus 0x%04x cardnum 0x%02x function 0x%02x:"
88 " vendor 0x%04x device 0x%04x\n",
89 dev->bus,
90 dev->dev,
91 dev->func,
92 dev->vendor_id,
93 dev->device_id );
94 if ( vend_name != NULL ) {
95 printf( " %s %s\n", vend_name, dev_name );
96 }
97 else {
98 printf( " %s\n", dev_name );
99 }
100
101 if ( verbose ) {
102 unsigned i;
103 uint16_t command, status;
104 uint8_t bist;
105 uint8_t header_type;
106 uint8_t latency_timer;
107 uint8_t cache_line_size;
108 uint8_t max_latency;
109 uint8_t min_grant;
110 uint8_t int_pin;
111
112
113 vend_name = pci_device_get_subvendor_name( dev );
114 dev_name = pci_device_get_subdevice_name( dev );
115 if ( dev_name == NULL ) {
116 dev_name = "Card unknown";
117 }
118
119 printf( " CardVendor 0x%04x card 0x%04x (",
120 dev->subvendor_id,
121 dev->subdevice_id );
122 if ( vend_name != NULL ) {
123 printf( "%s, %s)\n", vend_name, dev_name );
124 }
125 else {
126 printf( "%s)\n", dev_name );
127 }
128
129 pci_device_cfg_read_u16( dev, & command, 4 );
130 pci_device_cfg_read_u16( dev, & status, 6 );
131 printf( " STATUS 0x%04x COMMAND 0x%04x\n",
132 status,
133 command );
134 printf( " CLASS 0x%02x 0x%02x 0x%02x REVISION 0x%02x\n",
135 (dev->device_class >> 16) & 0x0ff,
136 (dev->device_class >> 8) & 0x0ff,
137 (dev->device_class >> 0) & 0x0ff,
138 dev->revision );
139
140 pci_device_cfg_read_u8( dev, & cache_line_size, 12 );
141 pci_device_cfg_read_u8( dev, & latency_timer, 13 );
142 pci_device_cfg_read_u8( dev, & header_type, 14 );
143 pci_device_cfg_read_u8( dev, & bist, 15 );
144
145 printf( " BIST 0x%02x HEADER 0x%02x LATENCY 0x%02x CACHE 0x%02x\n",
146 bist,
147 header_type,
148 latency_timer,
149 cache_line_size );
150
151 pci_device_probe( dev );
152 for ( i = 0 ; i < 6 ; i++ ) {
153 if ( dev->regions[i].base_addr != 0 ) {
154 printf( " BASE%u 0x%08"PRIxPTR" SIZE %zu %s",
155 i,
156 (intptr_t) dev->regions[i].base_addr,
157 (size_t) dev->regions[i].size,
158 (dev->regions[i].is_IO) ? "I/O" : "MEM" );
159
160 if ( ! dev->regions[i].is_IO ) {
161 if ( dev->regions[i].is_prefetchable ) {
162 printf( " PREFETCHABLE" );
163 }
164 }
165
166 printf( "\n" );
167 }
168 }
169
170 if ( dev->rom_size ) {
171 printf( " BASEROM 0x%08x addr 0x%08x\n",
172 0, 0 );
173 }
174
175 pci_device_cfg_read_u8( dev, & int_pin, 61 );
176 pci_device_cfg_read_u8( dev, & min_grant, 62 );
177 pci_device_cfg_read_u8( dev, & max_latency, 63 );
178
179 printf( " MAX_LAT 0x%02x MIN_GNT 0x%02x INT_PIN 0x%02x INT_LINE 0x%02x\n",
180 max_latency,
181 min_grant,
182 int_pin,
183 dev->irq );
184
185 if ( (dev->device_class >> 16) == 0x06 ) {
186 const void * info;
187
188 if ( (info = pci_device_get_bridge_info(dev)) != NULL ) {
189 print_pci_bridge( (const struct pci_bridge_info *) info );
190 }
191 else if ( (info = pci_device_get_pcmcia_bridge_info(dev)) != NULL ) {
192 /* Nothing yet. */
193 }
194 }
195 }
196 }
197
198
main(int argc,char ** argv)199 int main( int argc, char ** argv )
200 {
201 struct pci_device_iterator * iter;
202 struct pci_device * dev;
203 int ret;
204 int verbose = 0;
205 int c;
206 int errors = 0;
207
208 while ((c = getopt(argc, argv, "v")) != -1) {
209 switch (c) {
210 case 'v':
211 verbose = 1;
212 break;
213 case '?':
214 errors++;
215 }
216 }
217 if (errors != 0) {
218 fprintf(stderr, "usage: %s [-v]\n", argv[0]);
219 exit(2);
220 }
221
222 ret = pci_system_init();
223 if (ret != 0)
224 err(1, "Couldn't initialize PCI system");
225
226 iter = pci_slot_match_iterator_create( NULL );
227
228 while ( (dev = pci_device_next( iter )) != NULL ) {
229 print_pci_device( dev, verbose );
230 }
231
232 pci_system_cleanup();
233 return 0;
234 }
235